Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b04069f844c1b8df71c5a7fa93f653f5c9886773f78a579ab906dfb1362212bd' 
  AND token = 'ADw596WtOZJEWQSC6qcc2lAoQqgWiu9qtj01a0La6CY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00056

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}